Abstract

A mechanical plug for restricting fluid flow through a conduit. The mechanical plug includes a first plug member, an elongate member coupled to the first plug member, a second plug member received on the elongate member, a wedge, and a gripper. The wedge is received on the elongate member between the first plug and the second plug. The wedge includes a wedge outer wall. The gripper at least partially surrounds the wedge and is moveable both axially along the central axis and radially with respect to the central axis to selectively engage the conduit. The mechanical plug is transitionable between a first state and a second state. In the first state, the mechanical plug is disengaged from the conduit. In the second state, the mechanical plug engages the conduit.

IPC Classes  ?

• F16L 55/11 - Plugs

Abstract

A method of restricting fluid flow through a pipe. The method comprising installing an anchor through an opening in a wall of the pipe, engaging a portion of the wall with a foot of an anchor, securing a head of the anchor to the pipe, placing a saddle between a bottom surface of the head and an outer surface of the wall of the pipe, and inflating an inflatable plug coupled to the anchor. When securing the head of the anchor to the pipe, the head remains partially outside the pipe.

IPC Classes  ?

• F16L 55/124 - Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced radially into the pipe or hose
• F16L 55/11 - Plugs

Abstract

A mechanical plug includes first and second plug portions and an elongate member. The first plug portion includes a first endwall and a first sidewall. The first sidewall includes a female section extending in a direction along a longitudinal axis of the mechanical plug. The second plug portion is movable relative to the first plug portion. The second plug portion includes a second sidewall, a second endwall coupled to the second sidewall, and a seal. The second sidewall includes a male section extending in a direction along the longitudinal axis. The seal surrounds a portion of the male section in a region along the longitudinal axis between the second endwall and the female section. The elongate member is coupled to the first and second plug portions. Actuation of the elongate member moves the first plug portion and the second plug portion toward each other to compress the seal.

IPC Classes  ?

• F16L 55/128 - Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
• F16L 55/11 - Plugs

Abstract

A flow restriction system is provided for restricting fluid flow through a pipe. The flow restriction system includes an anchor and an inflatable plug. The anchor includes an inflation conduit, a head, and a foot. The inflation conduit has a first end, a second end, and a passage. The second end is opposite the first end. The passage extends from the first end toward the second end. The head is coupled to the first end of the inflation conduit. The head includes an opening in fluid communication with the passage. The foot is coupled to the second end of the inflation conduit. The inflatable plug is coupled to the anchor. The inflatable plug includes an interior chamber. The interior chamber is in fluid communication with the passage. The head and the foot are configured to engage diametrically opposed sections of the pipe.

IPC Classes  ?

• F16L 55/124 - Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced radially into the pipe or hose
• F16L 55/11 - Plugs

Abstract

A mechanical plug includes first and second plug portions and an elongate member. The first plug portion includes a first endwall and a first sidewall. The first sidewall includes a female section extending in a direction along a longitudinal axis of the mechanical plug. The second plug portion is movable relative to the first plug portion. The second plug portion includes a second sidewall, a second endwall coupled to the second sidewall, and a seal. The second sidewall includes a male section extending in a direction along the longitudinal axis. The seal surrounds a portion of the male section in a region along the longitudinal axis between the second endwall and the female section. The elongate member is coupled to the first and second plug portions. Actuation of the elongate member moves the first plug portion and the second plug portion toward each other to compress the seal.

IPC Classes  ?

• F16L 55/10 - Means for stopping flow in pipes or hoses
• F16L 55/128 - Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
• F16L 55/11 - Plugs

Goods & Services

Non-metal fittings for pipes, namely, plugs for sealing pipes

Goods & Services

non-metal pipe plugs for sealing sections of pipeline

Abstract

A flow restriction system for restricting fluid flow through a pipe includes an anchor and an inflatable plug. The anchor includes an alignment body, a shield body, and a first fluid passage defined in the alignment body and the shield body. The shield body extends from the alignment body and has an upstream face and a downstream face. The downstream face is opposite the upstream face. The shield body is configured to block at least a portion of the fluid flow through the pipe. The inflatable plug is coupled to the downstream face of the shield body. The inflatable plug includes an interior chamber that is in fluid communication with the first fluid passage.

IPC Classes  ?

• F16L 55/11 - Plugs
• F16L 55/134 - Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially deforming the packing by means of an inflatable packing
• F16L 55/124 - Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced radially into the pipe or hose
• F16K 7/10 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with inflatable member

Abstract

A mechanical plug includes first and second plug portions and an elongate member. The first plug portion includes a first endwall and a first sidewall. The first sidewall includes a female section extending in a direction along a longitudinal axis of the mechanical plug. The second plug portion is movable relative to the first plug portion. The second plug portion includes a second sidewall, a second endwall coupled to the second sidewall, and a seal. The second sidewall includes a male section extending in a direction along the longitudinal axis. The seal surrounds a portion of the male section in a region along the longitudinal axis between the second endwall and the female section. The elongate member is coupled to the first and second plug portions. Actuation of the elongate member moves the first plug portion and the second plug portion toward each other to compress the seal.

IPC Classes  ?

• F16L 55/10 - Means for stopping flow in pipes or hoses
• F16L 55/128 - Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
• F16L 55/11 - Plugs

Abstract

A method of handling a generally cylindrical conduit includes positioning a lift cylinder within the generally cylindrical conduit. The lift cylinder includes an inflatable bag, an inflation port, and an attachment point. The method also includes connecting a fluid source to the inflation port, inflating the inflatable bag with the fluid source such that an outer surface of the inflatable bag engages an inner surface of the generally cylindrical conduit, connecting a winch to the attachment point, and moving the lift cylinder and the generally cylindrical conduit with the winch.

IPC Classes  ?

• B66C 1/46 - Gripping members engaging only the external or internal surface of the articles and applying frictional forces by inflatable elements
• B66C 1/56 - Internally-expanding grippers for handling hollow articles for handling tubes
• B66D 1/60 - Rope, cable, or chain winding mechanismsCapstans adapted for special purposes

Abstract

An inflatable plug assembly includes a first inflatable plug, a second inflatable plug, and a first mount coupled to the first inflatable plug. The first mount is configured to deliver fluid to and inflate the first inflatable plug. The inflatable plug assembly also includes a second mount coupled to the second inflatable plug. The second mount is configured to deliver fluid to and inflate the second inflatable plug. The second mount is secured to the first mount. The first inflatable plug and the second inflatable plug are independently inflatable.

IPC Classes  ?

• F16L 55/12 - Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ
• F16L 55/11 - Plugs
• F16L 55/124 - Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced radially into the pipe or hose
• F16L 55/134 - Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially deforming the packing by means of an inflatable packing

Abstract

An inflatable plug assembly includes a first inflatable plug, a second inflatable plug, and a first mount coupled to the first inflatable plug. The first mount is configured to deliver fluid to and inflate the first inflatable plug. The inflatable plug assembly also includes a second mount coupled to the second inflatable plug. The second mount is configured to deliver fluid to and inflate the second inflatable plug. The second mount is secured to the first mount. The first inflatable plug and the second inflatable plug are independently inflatable.

IPC Classes  ?

• F16L 55/12 - Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ

Abstract

An inflatable plug assembly includes a first inflatable plug, a second inflatable plug, and a first mount coupled to the first inflatable plug. The first mount is configured to deliver fluid to and inflate the first inflatable plug. The inflatable plug assembly also includes a second mount coupled to the second inflatable plug. The second mount is configured to deliver fluid to and inflate the second inflatable plug. The second mount is secured to the first mount. The first inflatable plug and the second inflatable plug are independently inflatable.

IPC Classes  ?

• F16L 55/12 - Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ
• F16L 55/134 - Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially deforming the packing by means of an inflatable packing

Abstract

A tunnel seal including a body, inflatable from a folded position to an inflated position, multiple positioning straps coupled to the body, an inflow port fluidly connected to the body, a pressure relief valve fluidly connected to the body, and a hot stab receptacle fluidly connected to the inflow port.

IPC Classes  ?

• E21D 9/06 - Making by using a driving shield
• E21F 17/107 - Dams, e.g. for ventilation inflatable

Abstract

A system for restricting fluid flow through a conduit comprises a tapping saddle configured to couple to the conduit adjacent to an opening in the conduit, a valve coupled to the tapping saddle to allow selective access through the tapping saddle and the opening to an interior of the conduit, a tube insertable into the conduit through the opening, and an inflatable plug coupled to the tube and insertable into the conduit with the tube. The inflatable plug is inflatable within the conduit to restrict fluid flow. The inflatable plug includes a first plate positioned on an exterior surface of the inflatable plug, a second plate positioned on an interior surface of the inflatable plug, and at least one fluid port extending through the first plate and the second plate to facilitate inflation and deflation of the inflatable plug.

IPC Classes  ?

• F16L 55/12 - Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ

Abstract

An inflatable plug insertable into a conduit and inflatable therein to restrict fluid flow comprises a bladder having an interior surface and an exterior surface and at least one fabric layer covering at least a portion of the exterior surface of the bladder. The inflatable plug also comprises a first plate, a second plate, and at least one fluid port. The first plate is positioned inside the bladder and adjacent to the interior surface of the bladder. The second plate is positioned outside the bladder and adjacent to the at least one fabric layer. The second plate is coupled to the first plate such that the first plate and the second plate clamp a portion of the at least one fabric layer and a portion of the bladder therebetween. The at least one fluid port extends through the first plate and the second plate and facilitates inflation and deflation of the bladder.

IPC Classes  ?

• F16L 55/12 - Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ

Abstract

An in-line swivel having a through bore for fluid flow therethrough. In one embodiment, the swivel comprises an inlet member having a first longitudinal axis and an outlet member having a second longitudinal axis. The outlet member is configured to rotate relative to the inlet member. The swivel also comprises a bearing having a third longitudinal axis. The bearing extends through at least a portion of at least one of the inlet member and the outlet member and includes a fluid passage such that the inlet member and the outlet member are in fluid communication through the bearing, and the first axis and the second axis are substantially perpendicular to the third axis.

IPC Classes  ?

• F15B 13/00 - Details of servomotor systems

Goods & Services

Metal seals and metal tapping seals for use in sealing sections of pipes and pipelines Parts of machines and machine tools in the nature of hot tapping machines used for tapping into live pressurized pipelines, namely, drill shafts, hole saws, hole bits, tapping valve adapters and chip hose adapters pipe and plug flusher accessories, namely plug inflation controllers, namely pressure gauge and pressure relief valve, hoses, and automatic mechanical valve Hydraulic drain flushers Non-metal seals for use in sealing sections of pipe and pipelines; inflatable rubber pipe and pipeline stoppers, rubber plugs and rubber hose for use with hydraulic pipe and pipeline flushers and rubber anchoring harness used to guide inflatable plug into place

Goods & Services

INFLATABLE NON-METAL SEALS FOR SEALING SECTIONS OF PIPELINE, NAMELY, WATER LINES, OIL PIPE AND SEWAGE PIPE